Known as the biggest salt mine in Europe, Slanic Prahova stands today for one of the most important watering and climatic resorts in Romania, situated between the valley of Prahova and that of Teleajen, at about 44 km of Ploiesti, at 400 meters of altitude. Unique in the country, but also in Europe, the salt mine is formed out of 14 rooms, trapezium shaped, with an opening of 32 meters at the basis, 10 meters at the ceiling and 45 meters height. The total area is of 78,000 m2 and the excavated space is of 2,9 millions m3 of salt.